From 60bb55de5d6ccdf07a9389cb856661753c0f9713 Mon Sep 17 00:00:00 2001
From: Aaron Kling <webgeek1234@gmail.com>
Date: Tue, 21 Oct 2025 22:13:22 -0500
Subject: [PATCH] arm64: tegra: Add ACTMON on Tegra210

This enables the action monitor to facilitate dynamic frequency scaling.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra210.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 9ca603101436e..1b3fc151e49df 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -483,6 +483,18 @@
 		reg = <0x0 0x60007000 0x0 0x1000>;
 	};
 
+	actmon@6000c800 {
+		compatible = "nvidia,tegra210-actmon", "nvidia,tegra124-actmon";
+		reg = <0x0 0x6000c800 0x0 0x400>;
+		interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA210_CLK_ACTMON>,
+			 <&tegra_car TEGRA210_CLK_EMC>;
+		clock-names = "actmon", "emc";
+		resets = <&tegra_car 119>;
+		reset-names = "actmon";
+		#cooling-cells = <2>;
+	};
+
 	gpio: gpio@6000d000 {
 		compatible = "nvidia,tegra210-gpio", "nvidia,tegra30-gpio";
 		reg = <0x0 0x6000d000 0x0 0x1000>;
-- 
2.47.3